An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Kung HF, Alavi A, Chang W, Kung MP, Keyes JW Jr, Velchik MG, Billings J, Pan S, Noto R, Rausch, et al.Kung HF, et al. Among authors: chang w.J Nucl Med. 1990 May;31(5):573-9.J Nucl Med. 1990.PMID: 2140408Free article.
Chang W, Ordonez CE, Liang H, Li Y, Liu J.Chang W, et al.IEEE Trans Nucl Sci. 2009 Oct 6;56(5):2659-2671. doi: 10.1109/TNS.2009.2028138.IEEE Trans Nucl Sci. 2009.PMID: 23885129Free PMC article.
Hong YA, Shen K, Chang WH.Hong YA, et al. Among authors: chang wh.Alzheimers Dement. 2024 Dec;20 Suppl 4:e087671. doi: 10.1002/alz.087671.Alzheimers Dement. 2024.PMID: 39782118